Earthquake with magnitude of ML 1.0 on date 16-02-2009 and time 17:01:55 (Italy) in region 3 km E Scheggino (PG)

A magnitude ML 1.0 earthquake occured in region: 3 km E Scheggino (PG), on

  • 16-02-2009 16:01:55 (UTC)
  • 16-02-2009 17:01:55 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7160, 12.8700 at 8 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

Search earthquakes: Any within 30 km radius

The values of hypocentral coordinates and magnitude may be revised at a later time as more information becomes available.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Scheggino PG 3 461 461
Sant'Anatolia di Narco PG 3 564 1025
Poggiodomo PG 5 117 1142
Vallo di Nera PG 6 364 1506
Monteleone di Spoleto PG 10 599 2105
Spoleto PG 11 38218 40323
Cascia PG 12 3217 43540
Cerreto di Spoleto PG 12 1075 44615
Ferentillo TR 12 1913 46528
Campello sul Clitunno PG 14 2442 48970
Polino TR 15 233 49203
Montefranco TR 16 1276 50479
Arrone TR 17 2763 53242
Leonessa RI 19 2435 55677
Sellano PG 20 1079 56756

Municipalities with at least 50000 inhabitants

An earthquake occurred to
25 Km NE of Terni (111501 inhabitants)
30 Km SE of Foligno (57155 inhabitants)
59 Km SE of Perugia (166134 inhabitants)
59 Km NW of L'Aquila (69753 inhabitants)
69 Km W of Teramo (54892 inhabitants)
71 Km E of Viterbo (67173 inhabitants)
80 Km N of Guidonia Montecelio (88673 inhabitants)
84 Km N of Tivoli (56533 inhabitants)
97 Km NE of Roma (2864731 inhabitants)
Recent and historical seismicity
Seismic hazard
Shakemap
Felt maps
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Bulletin
Rev1000
Md 1.7
ML 1.0
2009-02-16
16:01:55
42.716 12.87 8 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 744619
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-02-16 16:01:55 ± 0.39
Latitude 42.7160 ± 0.0099
Longitude 12.8700 ± 0.0453
Depth (km) 8 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 744619

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 3803
Semi-minor axis of confidence ellipse (meter) 907
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 102
Circular confidence region, given by single value of horizontal uncertainty (meter) 3860.1
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 233
Number of associated phases, regardless of their use for origin computation 7
Number of defining phases 6
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.26
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.28958
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 3
Magnitudes information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.3
Num. used stations
Type of magnitude ML
Reference to an origin 744619
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 14:04:53

Md:1.7

Field Value
Value 1.7
Uncertainty 0.1
Num. used stations
Type of magnitude Md
Reference to an origin 744619
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 14:04:53
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CESI.HHE. 2009-02-16T16:02:07.76 0.3 undecidable manual Sg 5 32.1456 0.287 68
IV.LAV9.SHZ. 2009-02-16T16:02:04.28 10.0 undecidable manual Pg 0 0 0
IV.NRCA.HHZ. 2009-02-16T16:02:04.70 0.6 undecidable manual Sg 57 23.754 0.019 50
IV.LNSS.HHZ. 2009-02-16T16:02:02.91 0.3 undecidable manual Sg 132 18.7701 -0.146 74
IV.CESI.HHE. 2009-02-16T16:02:02.64 0.1 undecidable manual Pg 5 32.1456 0.024 97
IV.LNSS.HHZ. 2009-02-16T16:02:00.23 0.3 undecidable manual Pg 132 18.7701 0.165 74
IV.NRCA.HHZ. 2009-02-16T16:02:00.94 0.1 undecidable manual Pg 57 23.754 -0.062 100
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download